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Round|Lab Grown|IGI

1.22ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG816615715

Shape and cutting style on the report: Round brilliant

Certificate IGI LG816615715

Diamond specifications and retailer prices

From £193 GBP
$259 USD
As of October 29, 2026
Save £1,105 GBP (85%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £1,299 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.22ct lab-grown round diamond

This 1.22ct lab-grown round sits in the classic one-carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG816615715 or 816615715. Listed at 20 retailers as of October 29, 2026, with prices from £193 to £1,299, a £1,105 spread on the same certified stone. Brilliant Earth lists it at £1,299. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.22
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816615715
Dimensions6.94 × 6.89 × 4.19 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.94 mm6.89 mm1.22 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816615715
Side View
Table 59.0%Crown 33.1°Girdle: MediumPavilion 41.1°Culet: NoneDepth 60.6%

Caratlytics Score

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A+
Exceptional
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £1,299 GBP|Low: £216 GBP|High: £1,299 GBP|Avg: £597 GBP
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
October 30, 2026
Retailer 7£216 GBP
Retailer 4£224 GBP
Retailer 13£358 GBP
Retailer 2£388 GBP
Retailer 11£396 GBP
Retailer 5£399 GBP
Retailer 12£412 GBP
Retailer 9£457 GBP
Retailer 6£499 GBP
Retailer 3£736 GBP
Retailer 16£773 GBP
Retailer 8£808 GBP
Retailer 15£840 GBP
Retailer 10£965 GBP
Retailer 14£1,134 GBP
Brilliant Earth£1,299 GBP

32 data points across 16 retailers

20 retailers£193 GBP to £1,299 GBP

A+
Cheapest Retailer
-
£193 GBP
$259 USD
A
Retailer 2
-
£216 GBP
$290 USD
View
Final sale: no returns
A
Retailer 3
-
£224 GBP
$300 USD
View
A
Retailer 4
-
£240 GBP
$321 USD
View
A
Retailer 5
-
£240 GBP
$321 USD
View
A
Retailer 6
-
£358 GBP
$480 USD
View
A
Retailer 7
-
£388 GBP
View
A
Retailer 8
-
£396 GBP
€505 EUR
View
A
Retailer 9
-
£399 GBP
$535 USD
View
A
Retailer 10
-
£412 GBP
ZAR 8,910 ZAR
View
A
Retailer 11
-
£457 GBP
View
B+
Retailer 12
-
£499 GBP
$668 USD
View
B+
Retailer 13
-
£736 GBP
$986 USD
View
B+
Retailer 14
-
£770 GBP
$1,032 USD
View
B+
Retailer 15
-
£773 GBP
SGD 1,399 SGD
View
B+
Retailer 16
-
£808 GBP
$1,083 USD
View
B+
Retailer 17
-
£840 GBP
$1,125 USD
View
B+
Retailer 18
-
£965 GBP
View
Retailer 19
-
£1,134 GBP
$1,520 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Brilliant Earth
21421724A · Oct 29
£1,299 GBP
$1,740 USD
View
19 more retailers have this diamond
Prices start from £193 GBPSave up to £1,105 GBP

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A+
1.22ct Round
£193 GBP